What do you think of people in poverty? Maybe what Jessica Jackley once did: "they" need "our" help, in the form of a few coins in a jar. The co-founder of Kiva.org talks about how her attitude changed -- and how her work with microloans has brought new power to people who live on a few dollars a day.
In a courageous, intensely emotional talk at the city council in Fort Worth, Texas, councilman Joel Burns reaches out to the targets of teen bullying -- kids who are gay, perceived as gay, or just different -- with a vital message about their lives, and the harassment they face.
On the web, a new "Friend" may be just a click away, but true connection is harder to find and express. Ze Frank presents a medley of zany Internet toys that require deep participation -- and reward it with something more nourishing. You're invited, if you promise you'll share.
Natalie Jeremijenko's unusual lab puts art to work, and addresses environmental woes by combining engineering know-how with public art and a team of volunteers. These real-life experiments include: Walking tadpoles, texting "fish," planting fire-hydrant gardens and more.
What did the world learn from the devastating earthquake that struck Haiti in 2010? That shoddy buildings and bad planning can make a terrible situation even worse. "Haiti was not a natural disaster," says TED Fellow Peter Haas. "It was a disaster of engineering." The solution: Help builders on the ground get trained in modern engineering practices, so they can rebuild their country stronger, brick by brick.
Melinda Gates makes a provocative case: What can nonprofits learn from mega-corporations like Coca-Cola, whose global network of marketers and distributors ensures that every remote village wants -- and can get -- an ice-cold Coke? Maybe this model could work for distributing health care, vaccinations, sanitation, even condoms ...
Plants behave in some oddly intelligent ways: fighting predators, maximizing food opportunities ... But can we think of them as actually having a form of intelligence of their own? Italian botanist Stefano Mancuso presents intriguing evidence.
Hans Rosling reframes 10 years of UN data with his spectacular visuals, lighting up an astonishing -- and under-reported -- piece of front-page good news: We're winning the war against child death. Along the way, he debunks one flawed approach to stats that blots out such vital stories.
Tuna are ocean athletes -- fast, far-ranging predators whose habits we're just beginning to understand. Marine biologist Barbara Block fits tuna with tracking tags (complete with transponders) that record unprecedented amounts of data about these gorgeous, threatened fish and the ocean habitats they move through.
As the world faces recession, climate change, inequity and more, Tim Jackson delivers a piercing challenge to established economic principles, explaining how we might stop feeding the crises and start investing in our future.
Thailand's "Mr. Condom," Mechai Viravaidya, retells the country's bold plan to raise its standard of living, starting in the 1970s. First step: population control. And that means a lot of frank, funny -- and very effective -- talk about condoms.
When Jungian analyst Inge Missmahl visited Afghanistan, she saw the inner wounds of war -- widespread despair, trauma and depression. And yet, in this county of 30 million people, there were only two dozen psychiatrists. Missmahl talks about her work helping to build the country's system of psychosocial counseling, promoting both individual and, perhaps, national healing.
Sebastian Seung is mapping a massively ambitious new model of the brain that focuses on the connections between each neuron. He calls it our "connectome," and it's as individual as our genome -- and understanding it could open a new way to understand our brains and our minds.
At TED@Cannes, Gary Wolf gives a 5-min intro to an intriguing new pastime: using mobile apps and always-on gadgets to track and analyze your body, mood, diet, spending -- just about everything in daily life you can measure -- in gloriously geeky detail.
Julian Treasure says our increasingly noisy world is gnawing away at our mental health -- even costing lives. He lays out an 8-step plan to soften this sonic assault (starting with those cheap earbuds) and restore our relationship with sound.
In this short, amazing demo, Fabian Hemmert imagines one future of the mobile phone -- a shape-shifting and weight-shifting handset that "displays" information nonvisually. It's a delightfully intuitive way to communicate.
For the last eight years, pop singer Annie Lennox has devoted the majority of her time to her SING campaign, raising awareness and money to combat HIV/AIDS. She shares the experiences that have inspired her, from working with Nelson Mandela to meeting a little African girl in a desperate situation.
In sub-Saharan Africa, HIV infections are more prevalent and doctors scarcer than anywhere else in the world. With a lack of medical professionals, Mitchell Besser enlisted the help of his patients to create mothers2mothers -- an extraordinary network of HIV-positive women whose support for each other is changing and saving lives.
People often credit their ideas to individual "Eureka!" moments. But Steven Johnson shows how history tells a different story. His fascinating tour takes us from the "liquid networks" of London's coffee houses to Charles Darwin's long, slow hunch to today's high-velocity web.
Christien Meindertsma, author of "Pig 05049" looks at the astonishing afterlife of the ordinary pig, parts of which make their way into at least 185 non-pork products, from bullets to artificial hearts.
Caroline Phillips cranks out tunes on a seldom-heard folk instrument: the hurdy-gurdy, a.k.a. the wheel fiddle. A searching, Basque melody follows her fun lesson on its unique anatomy and 1,000-year history.
After mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began investigating how this information could better our lives. Now, he reveals his hot-off-the-press findings: These networks can be used to detect epidemics earlier than ever, from the spread of innovative ideas to risky behaviors to viruses (like H1N1).
In today's world, balancing school, work, kids and more, most of us can only hope for the recommended eight hours of sleep. Examining the science behind our body's internal clock, Jessa Gamble reveals the surprising and substantial program of rest we should be observing.
TED's Chris Anderson says the rise of web video is driving a worldwide phenomenon he calls Crowd Accelerated Innovation -- a self-fueling cycle of learning that could be as significant as the invention of print. But to tap into its power, organizations will need to embrace radical openness. And for TED, it means the dawn of a whole new chapter ...
Rob Dunbar hunts for data on our climate from 12,000 years ago, finding clues inside ancient seabeds and corals and inside ice sheets. His work is vital in setting baselines for fixing our current climate -- and in tracking the rise of deadly ocean acidification.
How can the magic of live theater, live music, live dance compete with the always-on Internet? Ben Cameron offers a bold look forward to a world where live arts matter more than ever -- to link humans together at a primal level of shared experience.
After 15 years in the British diplomatic corps, Carne Ross became a "freelance diplomat," running a bold nonprofit that gives small, developing and yet-unrecognized nations a voice in international relations. At the BIF-5 conference, he calls for a new kind of diplomacy that gives voice to small countries, that works with changing boundaries and that welcomes innovation.